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Commit | Line | Data |
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b52429d4 LP |
1 | /*-*- Mode: C; c-basic-offset: 8 -*-*/ |
2 | ||
a7334b09 LP |
3 | /*** |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
b52429d4 LP |
22 | #include <sys/socket.h> |
23 | #include <sys/types.h> | |
24 | #include <assert.h> | |
25 | #include <time.h> | |
26 | #include <string.h> | |
27 | #include <stdio.h> | |
28 | #include <errno.h> | |
29 | #include <unistd.h> | |
30 | #include <sys/poll.h> | |
31 | #include <sys/epoll.h> | |
32 | #include <sys/un.h> | |
4901f972 | 33 | #include <fcntl.h> |
b52429d4 LP |
34 | |
35 | #include "util.h" | |
36 | #include "log.h" | |
37 | #include "list.h" | |
8bfcc8ea | 38 | #include "sd-daemon.h" |
0213c3f8 | 39 | #include "tcpwrap.h" |
b52429d4 LP |
40 | |
41 | #define STREAM_BUFFER 2048 | |
42 | #define STREAMS_MAX 256 | |
b52429d4 LP |
43 | #define SERVER_FD_MAX 16 |
44 | #define TIMEOUT ((int) (10*MSEC_PER_SEC)) | |
45 | ||
46 | typedef struct Stream Stream; | |
47 | ||
48 | typedef struct Server { | |
4901f972 LP |
49 | int syslog_fd; |
50 | int kmsg_fd; | |
b52429d4 LP |
51 | int epoll_fd; |
52 | ||
53 | unsigned n_server_fd; | |
54 | ||
55 | LIST_HEAD(Stream, streams); | |
56 | unsigned n_streams; | |
57 | } Server; | |
58 | ||
4f4a1dbf LP |
59 | typedef enum StreamTarget { |
60 | STREAM_SYSLOG, | |
61 | STREAM_KMSG | |
62 | } StreamTarget; | |
63 | ||
b52429d4 | 64 | typedef enum StreamState { |
4f4a1dbf | 65 | STREAM_TARGET, |
b52429d4 LP |
66 | STREAM_PRIORITY, |
67 | STREAM_PROCESS, | |
4f4a1dbf | 68 | STREAM_PREFIX, |
b52429d4 LP |
69 | STREAM_RUNNING |
70 | } StreamState; | |
71 | ||
72 | struct Stream { | |
73 | Server *server; | |
74 | ||
75 | StreamState state; | |
76 | ||
77 | int fd; | |
4901f972 | 78 | |
9c5c00f9 | 79 | StreamTarget target; |
b52429d4 LP |
80 | int priority; |
81 | char *process; | |
4901f972 LP |
82 | pid_t pid; |
83 | uid_t uid; | |
b52429d4 | 84 | |
4f4a1dbf LP |
85 | bool prefix; |
86 | ||
b52429d4 LP |
87 | char buffer[STREAM_BUFFER]; |
88 | size_t length; | |
89 | ||
b52429d4 LP |
90 | LIST_FIELDS(Stream, stream); |
91 | }; | |
92 | ||
871d7de4 | 93 | static int stream_log(Stream *s, char *p, usec_t ts) { |
b52429d4 LP |
94 | |
95 | char header_priority[16], header_time[64], header_pid[16]; | |
b52429d4 | 96 | struct iovec iovec[5]; |
4f4a1dbf | 97 | int priority; |
b52429d4 LP |
98 | |
99 | assert(s); | |
100 | assert(p); | |
101 | ||
4f4a1dbf LP |
102 | priority = s->priority; |
103 | ||
104 | if (s->prefix && | |
105 | p[0] == '<' && | |
106 | p[1] >= '0' && p[1] <= '7' && | |
107 | p[2] == '>') { | |
108 | ||
109 | /* Detected priority prefix */ | |
110 | priority = LOG_MAKEPRI(LOG_FAC(priority), (p[1] - '0')); | |
111 | ||
112 | p += 3; | |
113 | } | |
114 | ||
b52429d4 LP |
115 | if (*p == 0) |
116 | return 0; | |
117 | ||
118 | /* | |
4901f972 LP |
119 | * The format glibc uses to talk to the syslog daemon is: |
120 | * | |
121 | * <priority>time process[pid]: msg | |
b52429d4 | 122 | * |
4901f972 LP |
123 | * The format the kernel uses is: |
124 | * | |
125 | * <priority>msg\n | |
126 | * | |
127 | * We extend the latter to include the process name and pid. | |
b52429d4 LP |
128 | */ |
129 | ||
4901f972 | 130 | snprintf(header_priority, sizeof(header_priority), "<%i>", |
4f4a1dbf | 131 | s->target == STREAM_SYSLOG ? priority : LOG_PRI(priority)); |
b52429d4 LP |
132 | char_array_0(header_priority); |
133 | ||
4f4a1dbf | 134 | if (s->target == STREAM_SYSLOG) { |
4901f972 LP |
135 | time_t t; |
136 | struct tm *tm; | |
b52429d4 | 137 | |
871d7de4 | 138 | t = (time_t) (ts / USEC_PER_SEC); |
4901f972 LP |
139 | if (!(tm = localtime(&t))) |
140 | return -EINVAL; | |
141 | ||
142 | if (strftime(header_time, sizeof(header_time), "%h %e %T ", tm) <= 0) | |
143 | return -EINVAL; | |
144 | } | |
b52429d4 | 145 | |
bb00e604 | 146 | snprintf(header_pid, sizeof(header_pid), "[%lu]: ", (unsigned long) s->pid); |
b52429d4 LP |
147 | char_array_0(header_pid); |
148 | ||
149 | zero(iovec); | |
150 | IOVEC_SET_STRING(iovec[0], header_priority); | |
b52429d4 | 151 | |
4f4a1dbf | 152 | if (s->target == STREAM_SYSLOG) { |
16801e90 LP |
153 | struct msghdr msghdr; |
154 | ||
4901f972 LP |
155 | IOVEC_SET_STRING(iovec[1], header_time); |
156 | IOVEC_SET_STRING(iovec[2], s->process); | |
157 | IOVEC_SET_STRING(iovec[3], header_pid); | |
158 | IOVEC_SET_STRING(iovec[4], p); | |
b52429d4 | 159 | |
4901f972 LP |
160 | zero(msghdr); |
161 | msghdr.msg_iov = iovec; | |
162 | msghdr.msg_iovlen = ELEMENTSOF(iovec); | |
163 | ||
164 | if (sendmsg(s->server->syslog_fd, &msghdr, MSG_NOSIGNAL) < 0) | |
165 | return -errno; | |
166 | ||
4f4a1dbf | 167 | } else if (s->target == STREAM_KMSG) { |
4901f972 LP |
168 | IOVEC_SET_STRING(iovec[1], s->process); |
169 | IOVEC_SET_STRING(iovec[2], header_pid); | |
170 | IOVEC_SET_STRING(iovec[3], p); | |
47be870b | 171 | IOVEC_SET_STRING(iovec[4], (char*) "\n"); |
4901f972 LP |
172 | |
173 | if (writev(s->server->kmsg_fd, iovec, ELEMENTSOF(iovec)) < 0) | |
174 | return -errno; | |
175 | } else | |
176 | assert_not_reached("Unknown log target"); | |
b52429d4 LP |
177 | |
178 | return 0; | |
179 | } | |
180 | ||
871d7de4 | 181 | static int stream_line(Stream *s, char *p, usec_t ts) { |
b52429d4 LP |
182 | int r; |
183 | ||
184 | assert(s); | |
185 | assert(p); | |
186 | ||
187 | p = strstrip(p); | |
188 | ||
189 | switch (s->state) { | |
190 | ||
4f4a1dbf | 191 | case STREAM_TARGET: |
4901f972 | 192 | if (streq(p, "syslog")) |
4f4a1dbf | 193 | s->target = STREAM_SYSLOG; |
4901f972 LP |
194 | else if (streq(p, "kmsg")) { |
195 | ||
196 | if (s->server->kmsg_fd >= 0 && s->uid == 0) | |
4f4a1dbf | 197 | s->target = STREAM_KMSG; |
4901f972 LP |
198 | else { |
199 | log_warning("/dev/kmsg logging not available."); | |
200 | return -EPERM; | |
201 | } | |
202 | } else { | |
203 | log_warning("Failed to parse log target line."); | |
204 | return -EBADMSG; | |
205 | } | |
206 | s->state = STREAM_PRIORITY; | |
207 | return 0; | |
208 | ||
b52429d4 | 209 | case STREAM_PRIORITY: |
4901f972 LP |
210 | if ((r = safe_atoi(p, &s->priority)) < 0) { |
211 | log_warning("Failed to parse log priority line: %s", strerror(errno)); | |
b52429d4 | 212 | return r; |
4901f972 | 213 | } |
b52429d4 | 214 | |
4901f972 LP |
215 | if (s->priority < 0) { |
216 | log_warning("Log priority negative: %s", strerror(errno)); | |
b52429d4 | 217 | return -ERANGE; |
4901f972 | 218 | } |
b52429d4 LP |
219 | |
220 | s->state = STREAM_PROCESS; | |
221 | return 0; | |
222 | ||
223 | case STREAM_PROCESS: | |
224 | if (!(s->process = strdup(p))) | |
225 | return -ENOMEM; | |
226 | ||
4f4a1dbf LP |
227 | s->state = STREAM_PREFIX; |
228 | return 0; | |
229 | ||
230 | case STREAM_PREFIX: | |
231 | ||
232 | if ((r = parse_boolean(p)) < 0) | |
233 | return r; | |
234 | ||
235 | s->prefix = r; | |
b52429d4 LP |
236 | s->state = STREAM_RUNNING; |
237 | return 0; | |
238 | ||
239 | case STREAM_RUNNING: | |
871d7de4 | 240 | return stream_log(s, p, ts); |
b52429d4 LP |
241 | } |
242 | ||
243 | assert_not_reached("Unknown stream state"); | |
244 | } | |
245 | ||
871d7de4 | 246 | static int stream_scan(Stream *s, usec_t ts) { |
b52429d4 LP |
247 | char *p; |
248 | size_t remaining; | |
249 | int r = 0; | |
250 | ||
251 | assert(s); | |
252 | ||
253 | p = s->buffer; | |
254 | remaining = s->length; | |
255 | for (;;) { | |
256 | char *newline; | |
257 | ||
258 | if (!(newline = memchr(p, '\n', remaining))) | |
259 | break; | |
260 | ||
261 | *newline = 0; | |
262 | ||
871d7de4 | 263 | if ((r = stream_line(s, p, ts)) >= 0) { |
b52429d4 LP |
264 | remaining -= newline-p+1; |
265 | p = newline+1; | |
266 | } | |
267 | } | |
268 | ||
269 | if (p > s->buffer) { | |
270 | memmove(s->buffer, p, remaining); | |
271 | s->length = remaining; | |
272 | } | |
273 | ||
274 | return r; | |
275 | } | |
276 | ||
871d7de4 | 277 | static int stream_process(Stream *s, usec_t ts) { |
b52429d4 LP |
278 | ssize_t l; |
279 | int r; | |
280 | assert(s); | |
281 | ||
282 | if ((l = read(s->fd, s->buffer+s->length, STREAM_BUFFER-s->length)) < 0) { | |
283 | ||
284 | if (errno == EAGAIN) | |
285 | return 0; | |
286 | ||
287 | log_warning("Failed to read from stream: %s", strerror(errno)); | |
288 | return -1; | |
289 | } | |
290 | ||
291 | ||
292 | if (l == 0) | |
293 | return 0; | |
294 | ||
295 | s->length += l; | |
871d7de4 | 296 | r = stream_scan(s, ts); |
b52429d4 LP |
297 | |
298 | if (r < 0) | |
299 | return r; | |
300 | ||
301 | return 1; | |
302 | } | |
303 | ||
304 | static void stream_free(Stream *s) { | |
305 | assert(s); | |
306 | ||
307 | if (s->server) { | |
308 | assert(s->server->n_streams > 0); | |
309 | s->server->n_streams--; | |
310 | LIST_REMOVE(Stream, stream, s->server->streams, s); | |
311 | ||
312 | } | |
313 | ||
314 | if (s->fd >= 0) { | |
315 | if (s->server) | |
316 | epoll_ctl(s->server->epoll_fd, EPOLL_CTL_DEL, s->fd, NULL); | |
317 | ||
a16e1123 | 318 | close_nointr_nofail(s->fd); |
b52429d4 LP |
319 | } |
320 | ||
321 | free(s->process); | |
322 | free(s); | |
323 | } | |
324 | ||
325 | static int stream_new(Server *s, int server_fd) { | |
326 | Stream *stream; | |
327 | int fd; | |
328 | struct ucred ucred; | |
329 | socklen_t len = sizeof(ucred); | |
330 | struct epoll_event ev; | |
331 | int r; | |
332 | ||
333 | assert(s); | |
334 | ||
335 | if ((fd = accept4(server_fd, NULL, NULL, SOCK_NONBLOCK|SOCK_CLOEXEC)) < 0) | |
336 | return -errno; | |
337 | ||
338 | if (s->n_streams >= STREAMS_MAX) { | |
339 | log_warning("Too many connections, refusing connection."); | |
a16e1123 | 340 | close_nointr_nofail(fd); |
b52429d4 LP |
341 | return 0; |
342 | } | |
343 | ||
0213c3f8 LP |
344 | if (!socket_tcpwrap(fd, "systemd-logger")) { |
345 | close_nointr_nofail(fd); | |
346 | return 0; | |
347 | } | |
348 | ||
b52429d4 | 349 | if (!(stream = new0(Stream, 1))) { |
a16e1123 | 350 | close_nointr_nofail(fd); |
b52429d4 LP |
351 | return -ENOMEM; |
352 | } | |
353 | ||
354 | stream->fd = fd; | |
355 | ||
356 | if (getsockopt(stream->fd, SOL_SOCKET, SO_PEERCRED, &ucred, &len) < 0) { | |
357 | r = -errno; | |
358 | goto fail; | |
359 | } | |
360 | ||
361 | if (shutdown(fd, SHUT_WR) < 0) { | |
362 | r = -errno; | |
363 | goto fail; | |
364 | } | |
365 | ||
366 | zero(ev); | |
367 | ev.data.ptr = stream; | |
f94ea366 | 368 | ev.events = EPOLLIN; |
b52429d4 LP |
369 | if (epoll_ctl(s->epoll_fd, EPOLL_CTL_ADD, fd, &ev) < 0) { |
370 | r = -errno; | |
371 | goto fail; | |
372 | } | |
373 | ||
374 | stream->pid = ucred.pid; | |
4901f972 | 375 | stream->uid = ucred.uid; |
b52429d4 LP |
376 | |
377 | stream->server = s; | |
378 | LIST_PREPEND(Stream, stream, s->streams, stream); | |
379 | s->n_streams ++; | |
380 | ||
381 | return 0; | |
382 | ||
383 | fail: | |
384 | stream_free(stream); | |
385 | return r; | |
386 | } | |
387 | ||
b52429d4 LP |
388 | static void server_done(Server *s) { |
389 | unsigned i; | |
390 | assert(s); | |
391 | ||
392 | while (s->streams) | |
393 | stream_free(s->streams); | |
394 | ||
395 | for (i = 0; i < s->n_server_fd; i++) | |
8bfcc8ea | 396 | close_nointr_nofail(SD_LISTEN_FDS_START+i); |
b52429d4 | 397 | |
4901f972 | 398 | if (s->syslog_fd >= 0) |
a16e1123 | 399 | close_nointr_nofail(s->syslog_fd); |
b52429d4 LP |
400 | |
401 | if (s->epoll_fd >= 0) | |
a16e1123 | 402 | close_nointr_nofail(s->epoll_fd); |
4901f972 LP |
403 | |
404 | if (s->kmsg_fd >= 0) | |
a16e1123 | 405 | close_nointr_nofail(s->kmsg_fd); |
b52429d4 LP |
406 | } |
407 | ||
408 | static int server_init(Server *s, unsigned n_sockets) { | |
409 | int r; | |
410 | unsigned i; | |
411 | union { | |
412 | struct sockaddr sa; | |
413 | struct sockaddr_un un; | |
414 | } sa; | |
415 | ||
416 | assert(s); | |
417 | assert(n_sockets > 0); | |
418 | ||
419 | zero(*s); | |
420 | ||
421 | s->n_server_fd = n_sockets; | |
4901f972 LP |
422 | s->syslog_fd = -1; |
423 | s->kmsg_fd = -1; | |
b52429d4 LP |
424 | |
425 | if ((s->epoll_fd = epoll_create1(EPOLL_CLOEXEC)) < 0) { | |
426 | r = -errno; | |
427 | log_error("Failed to create epoll object: %s", strerror(errno)); | |
428 | goto fail; | |
429 | } | |
430 | ||
431 | for (i = 0; i < n_sockets; i++) { | |
432 | struct epoll_event ev; | |
7c394faa LP |
433 | int fd; |
434 | ||
435 | fd = SD_LISTEN_FDS_START+i; | |
436 | ||
88ce42f6 | 437 | if ((r = sd_is_socket(fd, AF_UNSPEC, SOCK_STREAM, 1)) < 0) { |
7c394faa LP |
438 | log_error("Failed to determine file descriptor type: %s", strerror(-r)); |
439 | goto fail; | |
440 | } | |
441 | ||
442 | if (!r) { | |
443 | log_error("Wrong file descriptor type."); | |
444 | r = -EINVAL; | |
445 | goto fail; | |
446 | } | |
b52429d4 LP |
447 | |
448 | zero(ev); | |
f94ea366 | 449 | ev.events = EPOLLIN; |
7c394faa LP |
450 | ev.data.ptr = UINT_TO_PTR(fd); |
451 | if (epoll_ctl(s->epoll_fd, EPOLL_CTL_ADD, fd, &ev) < 0) { | |
b52429d4 LP |
452 | r = -errno; |
453 | log_error("Failed to add server fd to epoll object: %s", strerror(errno)); | |
454 | goto fail; | |
455 | } | |
456 | } | |
457 | ||
4901f972 | 458 | if ((s->syslog_fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0) { |
b52429d4 LP |
459 | r = -errno; |
460 | log_error("Failed to create log fd: %s", strerror(errno)); | |
461 | goto fail; | |
462 | } | |
463 | ||
464 | zero(sa); | |
465 | sa.un.sun_family = AF_UNIX; | |
466 | strncpy(sa.un.sun_path, "/dev/log", sizeof(sa.un.sun_path)); | |
467 | ||
4901f972 | 468 | if (connect(s->syslog_fd, &sa.sa, sizeof(sa)) < 0) { |
b52429d4 LP |
469 | r = -errno; |
470 | log_error("Failed to connect log socket to /dev/log: %s", strerror(errno)); | |
471 | goto fail; | |
472 | } | |
473 | ||
4901f972 LP |
474 | /* /dev/kmsg logging is strictly optional */ |
475 | if ((s->kmsg_fd = open("/dev/kmsg", O_WRONLY|O_NOCTTY|O_CLOEXEC)) < 0) | |
54165a39 | 476 | log_warning("Failed to open /dev/kmsg for logging, disabling kernel log buffer support: %s", strerror(errno)); |
4901f972 | 477 | |
b52429d4 LP |
478 | return 0; |
479 | ||
480 | fail: | |
481 | server_done(s); | |
482 | return r; | |
483 | } | |
484 | ||
485 | static int process_event(Server *s, struct epoll_event *ev) { | |
486 | int r; | |
487 | ||
488 | assert(s); | |
489 | ||
490 | /* Yes, this is a bit ugly, we assume that that valid pointers | |
8bfcc8ea | 491 | * are > SD_LISTEN_FDS_START+SERVER_FD_MAX. Which is certainly |
b52429d4 LP |
492 | * true on Linux (and probably most other OSes, too, since the |
493 | * first 4k usually are part of a seperate null pointer | |
494 | * dereference page. */ | |
495 | ||
8bfcc8ea LP |
496 | if (PTR_TO_UINT(ev->data.ptr) >= SD_LISTEN_FDS_START && |
497 | PTR_TO_UINT(ev->data.ptr) < SD_LISTEN_FDS_START+s->n_server_fd) { | |
b52429d4 | 498 | |
f94ea366 | 499 | if (ev->events != EPOLLIN) { |
b52429d4 LP |
500 | log_info("Got invalid event from epoll. (1)"); |
501 | return -EIO; | |
502 | } | |
503 | ||
504 | if ((r = stream_new(s, PTR_TO_UINT(ev->data.ptr))) < 0) { | |
505 | log_info("Failed to accept new connection: %s", strerror(-r)); | |
506 | return r; | |
507 | } | |
508 | ||
509 | } else { | |
871d7de4 | 510 | usec_t ts; |
b52429d4 LP |
511 | Stream *stream = ev->data.ptr; |
512 | ||
871d7de4 | 513 | ts = now(CLOCK_REALTIME); |
b52429d4 | 514 | |
f94ea366 | 515 | if (!(ev->events & EPOLLIN)) { |
8bfcc8ea | 516 | log_info("Got invalid event from epoll. (2)"); |
b52429d4 LP |
517 | stream_free(stream); |
518 | return 0; | |
519 | } | |
520 | ||
871d7de4 | 521 | if ((r = stream_process(stream, ts)) <= 0) { |
b52429d4 LP |
522 | |
523 | if (r < 0) | |
524 | log_info("Got error on stream: %s", strerror(-r)); | |
525 | ||
526 | stream_free(stream); | |
527 | return 0; | |
528 | } | |
529 | } | |
530 | ||
531 | return 0; | |
532 | } | |
533 | ||
534 | int main(int argc, char *argv[]) { | |
535 | Server server; | |
8bfcc8ea LP |
536 | int r = 3, n; |
537 | ||
0ca3f374 LP |
538 | if (getppid() != 1) { |
539 | log_error("This program should be invoked by init only."); | |
540 | return 1; | |
541 | } | |
542 | ||
543 | if (argc > 1) { | |
544 | log_error("This program does not take arguments."); | |
545 | return 1; | |
546 | } | |
547 | ||
8bfcc8ea LP |
548 | log_set_target(LOG_TARGET_SYSLOG_OR_KMSG); |
549 | log_parse_environment(); | |
b52429d4 | 550 | |
8bfcc8ea LP |
551 | if ((n = sd_listen_fds(true)) < 0) { |
552 | log_error("Failed to read listening file descriptors from environment: %s", strerror(-r)); | |
b52429d4 | 553 | return 1; |
8bfcc8ea | 554 | } |
b52429d4 | 555 | |
8bfcc8ea LP |
556 | if (n <= 0 || n > SERVER_FD_MAX) { |
557 | log_error("No or too many file descriptors passed."); | |
b52429d4 | 558 | return 2; |
8bfcc8ea LP |
559 | } |
560 | ||
561 | if (server_init(&server, (unsigned) n) < 0) | |
562 | return 3; | |
b52429d4 | 563 | |
cd6d0a45 LP |
564 | log_debug("systemd-logger running as pid %lu", (unsigned long) getpid()); |
565 | ||
8c47c732 LP |
566 | sd_notify(false, |
567 | "READY=1\n" | |
568 | "STATUS=Processing requests..."); | |
569 | ||
b52429d4 LP |
570 | for (;;) { |
571 | struct epoll_event event; | |
47be870b | 572 | int k; |
b52429d4 | 573 | |
47be870b | 574 | if ((k = epoll_wait(server.epoll_fd, |
b52429d4 LP |
575 | &event, 1, |
576 | server.n_streams <= 0 ? TIMEOUT : -1)) < 0) { | |
577 | ||
578 | if (errno == EINTR) | |
579 | continue; | |
580 | ||
581 | log_error("epoll_wait() failed: %s", strerror(errno)); | |
582 | goto fail; | |
583 | } | |
584 | ||
47be870b | 585 | if (k <= 0) |
b52429d4 LP |
586 | break; |
587 | ||
e364ad06 | 588 | if (process_event(&server, &event) < 0) |
b52429d4 LP |
589 | goto fail; |
590 | } | |
cd6d0a45 | 591 | |
b52429d4 LP |
592 | r = 0; |
593 | ||
cd6d0a45 LP |
594 | log_info("systemd-logger stopped as pid %lu", (unsigned long) getpid()); |
595 | ||
b52429d4 | 596 | fail: |
8c47c732 LP |
597 | sd_notify(false, |
598 | "STATUS=Shutting down..."); | |
599 | ||
b52429d4 LP |
600 | server_done(&server); |
601 | ||
b52429d4 LP |
602 | return r; |
603 | } |